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Finding the Fourth Proportional to 133,795.16, 184,643.16 and 80,069.96

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Solution

The fourth proportional to 133,795.16, 184,643.16 and 80,069.96 is: 110,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,795.16 : 184,643.16 = 80,069.96 : x
  2. Step 2: Convert to fraction form
    133,795.16/184,643.16 = 80,069.96/x
  3. Step 3: Cross multiply
    133,795.16x = 184,643.16 × 80,069.96
  4. Step 4: Simplify right side
    133,795.16x = 14,784,370,435.47
  5. Step 5: Solve for x
    x = 14,784,370,435.47/133,795.16
  6. Step 6: Final answer
    x = 110,500.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.